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๐Ÿƒ‍โ™‚๏ธBaekjoon/Python 60

#2444 - python

n = int(input()) # 2 * n-1 for i in range (0,n,1) : for j in range (n-i,1,-1): print(" ",end="") for j in range (0,i+1,+1): print("*", end="") for j in range (1,i+1,+1): print("*", end="") print( ) for i in range (1,n,+1) : for j in range (0,i,+1): print(" ",end="") for j in range (n-i,0,-1): print("*", end="") for j in range (n-i-1,0,-1): print("*", end="") print( ) C ์–ธ์–ด๋กœ ํ’€๋•Œ๋งˆ๋ƒฅ ํ’€์–ด๋ฒ„๋ ค์„œ ๊ทธ๋Ÿฐ๊ฐ€ ๊ธธ์ด๊ฐ€ ๊ธธ์–ด์ง€..

#11718 - python

while True: try: print(input()) except EOFError: break ์–ผ๋งˆ๋‚˜ ์ž…๋ ฅ๋ฐ›์„์ง€ ์กฐ๊ฑด์ด ๋‚˜์™€์žˆ์ง€ ์•Š๋‹ค. ๊ทธ๋ž˜์„œ while ๋ฌธ์œผ๋กœ ์ž…๋ ฅ์„ ๊ณ„์†ํ•ด์„œ ๋ฐ›๋ฐ ์–ด์จŒ๋“  while ๋ฌธ์ด ๋๋‚˜๋ ค๋ฉด ๊ทธ ๋์„ ์•Œ์•„์•ผํ•จ ์ฆ‰ => EOF (End of File) ๋ฅผ ์•Œ๋ฉด ๋จ. EOF์—๋Ÿฌ๋ฅผ ์ฒ˜๋ฆฌํ•ด์ฃผ๋ฉด ๋จ. ๐Ÿ’ฌ "EOF ์—๋Ÿฌ(End of File ์—๋Ÿฌ)" : ํ”„๋กœ๊ทธ๋žจ์ด ํŒŒ์ผ์˜ ๋์„ ๋งŒ๋‚˜์ง€ ๋ชปํ•˜์—ฌ ๋ฐœ์ƒํ•˜๋Š” ์˜ค๋ฅ˜์ž…๋‹ˆ๋‹ค. ๐Ÿ’ฌ 1) try-except ๋ฌธ ์‚ฌ์šฉ . EOFError ์˜ˆ์™ธ ์žก์•„์ฃผ๊ธฐ ๐Ÿ’ฌ 2) ํŒŒ์ผ ์ฝ์„ ๋•Œ EOF ์—๋Ÿฌ ์žก๊ธฐ : ํŒŒ์ผ์„ ์ฝ์„ ๋•Œ EOF ์—๋Ÿฌ๋ฅผ ๋ฐฉ์ง€ํ•˜๊ธฐ ์œ„ํ•ด readline() ๋˜๋Š” readlines() ํ•จ์ˆ˜๋ฅผ ์‚ฌ์šฉํ•˜๊ณ  EOF ์—๋Ÿฌ๋ฅผ ์ฒ˜๋ฆฌํ•ฉ๋‹ˆ๋‹ค.

#5622 ๋‹ค์ด์–ผ - python

alp = ['ABC','EDF','GHI','JKL','MNO','PQRS','TUV','WXYZ'] A = input() sec = 0 for i in range (len(A)): for j in alp: #abc ~ wxyz ๊นŒ์ง€ ๋Œ๋ฆฌ๊ธฐ if A[i] in j: # a[i] ๋ž‘ ์ ‘์  ์ฐพ๊ธฐ sec += alp.index(j) + 3 #ํ•ด๋‹น ์ธ๋ฑ์Šค ๊ฐ’์— + 3์„ ํ•ด์ฃผ๋ฉด ๋œ๋‹ค. print(sec) ๊ทœ์น™ ! 1๋ฒˆ -> 2์ดˆ 2๋ฒˆ (index = 0 ) => 3์ดˆ 3๋ฒˆ (index = 1) => 4์ดˆ 9๋ฒˆ (index = 7) => 10์ดˆ + 3์˜ ๊ทœ์น™์ด ์žˆ๋‹ค. ์ด ์ ์„ ์‚ฌ์šฉํ•ด์„œ ์ฝ”๋”ฉํ•œ ๊ฒƒ ๐Ÿ’ฌ index() : ํ•ด๋‹น ์š”์†Œ๊ฐ€ ์ฒ˜์Œ์œผ๋กœ ๋“ฑ์žฅํ•˜๋Š” ์œ„์น˜์˜ ์ธ๋ฑ์Šค๋ฅผ ๋ฐ˜ํ™˜ > A = input() sec = 0 #1๋ฒˆ..

#1152 #2908 - python

๋ฐฉ๋ฒ• 1 print(len(input().split())) ๋ฐฉ๋ฒ• 2 S = input() tmp = [] tmp = S.split() print (len(tmp)) ๐Ÿ’ฌ split() : split() ํ•จ์ˆ˜๋Š” ๊ณต๋ฐฑ์„ ๊ธฐ์ค€์œผ๋กœ ๊ฐ’์„ ๋ถ„๋ฆฌํ•˜์—ฌ ๋ฆฌ์ŠคํŠธ๋กœ ๋ฐ˜ํ™˜ํ•˜๋Š”๋ฐ ์ด๊ฑธ ์ด์šฉํ•ด์„œ ๐Ÿ’ฌ len() : ํ•ด๋‹น ๋ฆฌ์ŠคํŠธ์˜ ๊ฐ’์„ len() ํ•จ์ˆ˜๋กœ ๋ฝ‘์•„์ฃผ๋ฉด ๋ฌธ์ž์—ด์˜ ๋‹จ์–ด ๊ฐœ์ˆ˜๋ฅผ ์•Œ์•„๋‚ผ ์ˆ˜ ์žˆ๋‹ค. A,B = input().split() tmp = [] i = 1 # 123 0,1,2 = 3 A = A[::-1] B = B[::-1] if A > B : print (A) else : print (B) ๐Ÿ’ฌ[::-1] ์Šฌ๋ผ์ด์‹ฑ์„ ์‚ฌ์šฉํ•ด ๋ฌธ์ž์—ด์„ ๊ฑฐ๊พธ๋กœ ๋งŒ๋“ค์–ด์ค€๋‹ค.

#10809 ์•ŒํŒŒ๋ฒณ ์ฐพ๊ธฐ - python

S = input() tmp = [] i ,j= 0,0 for i in range(26): tmp.append(-1) for j in range(len(S)): if (tmp[ord(S[j])-97]==-1): tmp[ord(S[j])-97] = j print(*tmp, sep=" ") ๊ฐ„๋‹จํ•œ ์›๋ฆฌ๋งŒ ์•Œ๋ฉด ๋งค์šฐ ์‰ฝ๊ฒŒ ํ’€ ์ˆ˜ ์žˆ๋‹ค! 1) -1 ๋ฏธ๋ฆฌ ๋ฐฐ์น˜ํ•ด๋‘” tmp ๋ฆฌ์ŠคํŠธ ๋งŒ๋“ค์–ด๋‘๊ณ  2) ( ๋ฌธ์ž.์•„์Šคํ‚ค ์ฝ”๋“œ ๊ฐ’ - 97 ) == -1 3) j ์œ„์น˜ ๋„ฃ์–ด์ค€๋‹ค. ๋ฌธ์ž๋Š” a (97) ~ z (122) ๊นŒ์ง€์˜ ๊ฐ’์ด ์ฃผ์–ด์ ธ์žˆ๋Š” ์ƒํƒœ. ์—ฌ๊ธฐ์—์„œ -97 ์„ ํ•ด์ฃผ๊ฒŒ๋˜๋ฉด a ๋ถ€ํ„ฐ z ๊นŒ์ง€์˜ ๊ฐ’์„ 0 ~ 26์œผ๋กœ ์žก์„ ์ˆ˜ ์žˆ๊ฒŒ ๋œ๋‹ค ! ์ฆ‰, tmp[0~26] ์— S ๋ฌธ์ž ์ธ๋ฑ์Šค๊ฐ’ ( j ) ์„ ์‰ฝ๊ฒŒ ๋„ฃ์„ ์ˆ˜ ์žˆ๊ฒŒ ๋œ๋‹ค. >..

#27866, #2743, #9086, #11654 - python

S = input() i = int(input()) print(S[i-1]) ๐Ÿ’ฌ ํŒŒ์ด์ฌ์€ ๊ธฐ๋ณธ์œผ๋กœ ๋ฌธ์ž์—ด์ด๋‹ค. ๐Ÿ’ฌ ๋ฌธ์ž ์„ ํƒ ์—ฐ์‚ฐ์ž (์ธ๋ฑ์‹ฑ) : [] ๋ฌธ์ž์—ด ๋‚ด๋ถ€ ๋ฌธ์ž ํ•˜๋‚˜๋ฅผ ์„ ํƒํ•˜๋Š” ์—ฐ์‚ฐ์ž์ด๋‹ค. S = input() print(len(S)) ๐Ÿ’ฌ len(): ๋ฌธ์ž์—ด ๊ธธ์ด ๋ฐ˜ํ™˜ (๋‹ค์–‘ํ•œ ๋ฐ์ดํ„ฐ ์œ ํ˜•์˜ ๊ธธ์ด(๋˜๋Š” ์š”์†Œ์˜ ์ˆ˜)๋ฅผ ๋ฐ˜ํ™˜ํ•จ) T = int(input()) S,tmp= [],[] for i in range(T): S.append(input()) tmp = S[i] print(tmp[0]+tmp[-1]) ๋ฌธ์ž์—ด๋“ค์„ ๋ฆฌ์ŠคํŠธ์— ๋‹ด์•„์˜ค๊ณ  ์ž„์‹œ ๋ฆฌ์ŠคํŠธ์— ๋ฌธ์ž์—ด ํ•˜๋‚˜๋ฅผ ์˜ฎ๊ฒจ์„œ tmp[0] ์ฒซ๋ฒˆ์งธ ๊ฐ’ tmp[-1] ๋งˆ์ง€๋ง‰๊ฐ’ ์ถœ๋ ฅ ๐Ÿ’ฌ ๋ฌธ์ž์—ด ๊ฑฐ๊พธ๋กœ ์ถœ๋ ฅ ( [-1] ์ธ๋ฑ์Šค) : ~ ๋’ค๋ถ€ํ„ฐ ์ถœ๋ ฅ๋œ๋‹ค. print(..

#10811 ๋ฐ”๊ตฌ๋‹ˆ - python

> N,M=map(int,input().split()) s,tmp= [],[] for x in range(N): s.append(x+1) for y in range(M): i,j = map(int,input().split()) tmp = s[i-1:j] # (0~n-1) tmp.reverse() s[i-1:j] = tmp print(*s, sep=" ") 1 ~ 4 ์ด๋ฉด ์ธ๋ฑ์Šค์— ๋งž๊ฒŒ 0 ~ 4 ์œผ๋กœ ๋ฐ”๊ฟ”์ค˜์•ผํ•˜๋Š”๋ฐ ๋ฆฌ์ŠคํŠธ ๋ฒ”์œ„ ์„ ํƒ ์—ฐ์‚ฐ์ž๋Š” 0 ~ n-1 ๋ฒ”์œ„์ด๋ฏ€๋กœ ( i - 1 ~ j ) ํ•ด์ฃผ๋ฉด ๋œ๋‹ค ! > s[i-1:j].reverse() ์ฒ˜์Œ์—๋Š” ์ด๋Ÿฐ์‹์œผ๋กœ ๋„์ „ํ•ด๋ดค๋Š”๋ฐ ์•ˆ๋๋‹ค ^_^ ์ถœ๋ ฅํ•ด๋ณด๋ฉด None ๊ฐ’๋งŒ ๋‚˜์˜จ๋‹ค ใ…  v.append(s[i-1:j]) v.reverse() s.append(v) ๊ทธ๋ž˜..